Cal. Code Civ. Proc. § 589 : CALIFORNIA CODE OF CIVIL PROCEDURE — OF CIVIL ACTIONS — OF THE TRIAL AND JUDGMENT IN CIVIL ACTIONS — ISSUES-THE MODE OF TRIAL AND POSTPONEMENTS — Issue of law TEXT PDF An issue of law arises: (a) Upon a demurrer to the complaint, cross-complaint, or answer, or to some part thereof. (b) Upon a motion to strike made pursuant to Section 435, 436, or 473. Ca. Civ. Proc. Code § 589 Amended by Stats. 1983, Ch. 1167, Sec. 8.